DNA fingerprinting is a technique of _________．

试卷相关题目

• 1If two sisters are identical twins．their complete DNAs are _________．

  A.the same

  B.unique

  C.different

  D.similar

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• 2When the writer says “critical period”，he means a period when__________．

  A.studies produce useful results

  B.adults need to be taught like children

  C.1anguage learning takes place effectively

  D.immigrants want to learn another language

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• 3What does the Harvard finding show、

  A.Not all toddlers use babytalk．

  B.Some children need more conversation than others．

  C.Language learning takes place in ordered steps．

  D.Not all brains work in the same way．

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• 4What aspect of the adopted children’s language development differed from that of US—born children、

  A.The rate at which they acquired language．

  B.Their first words．

  C.The way they learnt English．

  D.The point at which they started producing sentences．

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• 5Snedeker，Geren and Shafto based their study on children who__________.

  A.were finding it difficult to learn English

  B.were learning English at a later age than US children

  C.had come from a number of language backgrounds

  D.had taken English lessons in China

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• 6DNA fingerprinting was first used in _________．

  A.criminal investigation

  B.animal reproduction

  C.private laboratories

  D.genetic disease detection

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• 7People question the reliability of DNA fingerprinting for _________．

  A.the subjective interpretation of test results

  B.its complex procedure

  C.its large scale research

  D.its uniform testing standards

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• 8It can be inferred from Paragraph 5 that DNA fingerprinting _________．

  A.is costly to the police

  B.could be a social issue

  C.1s the only way to prove innocence

  D.has been a profitable business

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• 9Why did the wild life experts visit the Kalahari Desert、

  A.To find where honey badgers live.

  B.To catch some honey badgers for food.

  C.To find out why honey badgers have a bad reputation.

  D.C.To find out why honey badgers have a bad reputation.D.To observe how honey badgers behav

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• 10What does Kitso Khama say about honey badgers、

  A.They are always looking for food.

  B.They do not enjoy human company.

  C.It is common for them to attack people.

  D.B.They do not enjoy human company.C.It is common for them to attack peopl

  E.D.They show interest in things they are not familiar with.

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